content: package com.android.permission.rom;
  
  import android.annotation.TargetApi;
  import android.app.AppOpsManager;
  import android.content.ActivityNotFoundException;
  import android.content.ComponentName;
  import android.content.Context;
  import android.content.Intent;
  import android.os.Binder;
  import android.os.Build;
  import android.util.Log;
  
  import java.lang.reflect.Method;
  
  /**
   * Description:
   *
   * @author Shawn_Dut
   * @since 2018-02-01
   */
  public class OppoUtils {
  
      private static final String TAG = "OppoUtils";
  
      /**
       * 检测 360 悬浮窗权限
       */
      public static boolean checkFloatWindowPermission(Context context) {
          final int version = Build.VERSION.SDK_INT;
          if (version >= 19) {
              return checkOp(context, 24); //OP_SYSTEM_ALERT_WINDOW = 24;
          }
          return true;
      }
  
      @TargetApi(Build.VERSION_CODES.KITKAT)
      private static boolean checkOp(Context context, int op) {
          final int version = Build.VERSION.SDK_INT;
          if (version >= 19) {
              AppOpsManager manager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
              try {
                  Class clazz = AppOpsManager.class;
                  Method method = clazz.getDeclaredMethod("checkOp", int.class, int.class, String.class);
                  return AppOpsManager.MODE_ALLOWED == (int) method.invoke(manager, op, Binder.getCallingUid(), context.getPackageName());
              } catch (Exception e) {
                  Log.e(TAG, Log.getStackTraceString(e));
              }
          } else {
              Log.e(TAG, "Below API 19 cannot invoke!");
          }
          return false;
      }
  
      /**
       * oppo ROM 权限申请
       */
      public static void applyOppoPermission(Context context) {
          //merge request from https://github.com/zhaozepeng/FloatWindowPermission/pull/26
          try {
              Intent intent = new Intent();
              intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
              //com.coloros.safecenter/.sysfloatwindow.FloatWindowListActivity
              ComponentName comp = new ComponentName("com.coloros.safecenter", "com.coloros.safecenter.sysfloatwindow.FloatWindowListActivity");//悬浮窗管理页面
              intent.setComponent(comp);
              context.startActivity(intent);
          }
          catch(Exception e){
              // 特殊情景
              if (e instanceof ActivityNotFoundException) {
                  try {
                      Intent intent = new Intent();
                      intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                      //com.coloros.safecenter/.sysfloatwindow.FloatWindowListActivity
                      ComponentName comp = new ComponentName("com.coloros.safecenter", "com.coloros.safecenter.permission.floatwindow.FloatWindowListActivity");//悬浮窗管理页面
                      intent.setComponent(comp);
                      context.startActivity(intent);
                  } catch (Exception e1) {
                      e1.printStackTrace();
                  }
              } else {
                  e.printStackTrace();
              }
          }
      }
  }
  